OT-2026-000028827
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pulsed blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000028827) never changes.
Identity and time
| Publication number | OT-2026-000028827 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9c-7577-9ffa-a478003fbf16 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028827 |
| Status | PUBLIC |
Content hashes
| Canonical text | 86c77bb11833701c5c5663aefc1319877cb8ad92dfc983d9c301b2d722c77d85 |
|---|---|
| Markdown | ef7bbc4b9ca6e5bfb7974a9f2a52c79debbf72b87515fe993d4c7c3a991de5aa |
| Publication page | e9d8f553588a6841d33e29182721ab3a98eadb0ed3b782b1fcf9c9cb4170ff4e |
| Manifest | 15db9ec37274e2ec77e705f70c2e504bad584201ee697b4b1b643ef94b24b01c |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | rGAzEKyY7ltLE7uo46Mb7XEKg6qGyNnOud/FgZiMqr6HjP0jFjhZ6+1CF+gL8epTIhnX6jRpX1HTI8wEWNjuAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T08:20:04.802222Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028827observed e9d8f553588a6841d33e29182721ab3a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:04.779138Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028827/manifest.jsonobserved 15db9ec37274e2ec77e705f70c2e504b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:04.758486Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028827/publication.mdobserved ef7bbc4b9ca6e5bfb7974a9f2a52c79d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:04.740081Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028827/publication.txtobserved 86c77bb11833701c5c5663aefc131987...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|